COUNTIES · EAST TEXAS · DISTRICT 05 · CODE 309

McLennan County, Texas

Mclennan County has had no new drilling permits in the past 90 days; the most recent permit on record was issued June 5, 2026.

Enterprise Products Operatingllc leads with 1 permit in the past 12 months, the only operator active in the county.

One operator filed a first Mclennan County permit in the past year.

Median permitted depth over the past year is 400 ft (prior year: 300 ft); 0% of the past year's permits are horizontal.

345 drilling permits have been issued in Mclennan County since 1977.

345 permits on file since 1977 · last issued Jun 5, 2026

Watch McLennan County

Also: every McLennan County well in the statewide list, searchable → · a year of permits on the map →

0
permits issued, 30d
—
vs prior 30d (0)
0
operators filing
—
horizontal
—
avg permitted depth, ft
78
operators, all time

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 2026 · WHY ISSUE AND SEEN DATES DIFFER

Permits issued by month

LAST 120 MONTHS · BY ISSUE DATE

Last 12 months 1 · prior 12 1(+0%)

0122017201820192020202120222023202420252026

Top operators, last 12 months

By permits issued. Wells are the operator’s current inventory here from the RRC wellbore file.

OperatorPermitsWells
Enterprise Products Operatingllc10

Full operator directory →

New entrants, last 12 months

Operators whose first permit in McLennan County came in the last year. 1 in total.

Permit types, 30d

TypeWindowPriorAll time

What the types mean →

Formations in completed wells

RRC WELLBORE FILE · ≥10 WELLS

Tops reported on completion filings for wells in McLennan County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →

FormationWellsPermitted last 3 yrsMedian top, ftP10–P90
Walnut110402350–448

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Disposal and injection

0
active UIC permits of 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

Every active well, operator, and daily reporter in McLennan County →

Permitted volume is a ceiling, not throughput. How to read it →

USGS catalog, Texas

Seismicity, last 2 years

0
M2+ events in the area
—
largest

Monthly counts, magnitudes, and every recent event in the area →

Events are not tagged with a county; this counts M2+ events inside the bounding box of the county’s located permits, padded 0.1°. About TexNet →

Latest permits

NEWEST FIRST BY ISSUE DATE

All McLennan County permits →

Questions about McLennan County

How many drilling permits were issued in McLennan County in the last 12 months?

1 permit was issued in McLennan County in the last 12 months, level with 1 in the 12 months before. 0% were for horizontal wells. The most recent was issued Jun 5, 2026. 345 are on file since 1977.

Every McLennan County permit →

Who is the most active operator in McLennan County?

By drilling permits filed in the last 12 months, Enterprise Products Operatingllc is the most active operator in McLennan County, with 1 of 1. 0 operators filed permits here in the last 90 days.

Operators in McLennan County →

How many oil and gas wells are in McLennan County?

382 wells are on file in McLennan County, including 21 active, 196 plugged, and 3 permitted and not yet drilled. 2 are horizontal. The active wells are under 1 operator.

Every well in McLennan County →

How much oil and gas does McLennan County produce?

The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in McLennan County is listed with its reported production on the county's Leases tab.

Leases in McLennan County →

What formations are drilled in McLennan County?

Completion filings for wells in McLennan County report tops for 1 formation in at least ten wells each. The most reported are the Walnut (11 wells, median top 402 ft).

Formations in McLennan County →

What basin is McLennan County in?

Petrora lists McLennan County in the East Texas. It is in the Railroad Commission's District 05.

The East Texas →

Have there been earthquakes in McLennan County?

No earthquakes of magnitude 2 or more were located in the area of McLennan County's permitted wells in the last 2 years.

Earthquakes in McLennan County →

About this data

Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.

Developers: this page as JSON is GET /v1/data/counties/tx/mclennan?days=30, documented in the API reference.